| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.22 | 1.31 | -0.09 |
| Feb | 1.54 | 1.57 | -0.03 |
| Mar | 2.29 | 2.34 | -0.05 |
| Apr | 3.60 | 3.61 | -0.01 |
| May | 4.87 | 4.83 | 0.04 |
| Jun | 5.07 | 5.06 | 0.01 |
| Jul | 4.17 | 4.00 | 0.17 |
| Aug | 3.98 | 4.02 | -0.04 |
| Sep | 3.63 | 3.45 | 0.18 |
| Oct | 2.87 | 2.83 | 0.04 |
| Nov | 2.16 | 2.16 | 0.00 |
| Dec | 1.69 | 1.74 | -0.05 |
37.09 | 36.92 | 0.17 |